Georgia · zones 7b–9a
When to plant onions in Georgia.
Sow or transplant between Jan 10 to Feb 23 in a typical year, keyed to Georgia's median last frost around Mar 20. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Onions dates for a typical Georgia season.
1 · Start indoors
Nov 29 to Jan 12
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Jan 10 to Feb 23
Keyed to the ~Mar 20 last frost. Sow 0.5" deep, 4" apart.
Harvest
~95 days later
~0.5 lb per plant over ~1 weeks.
Georgia spans more than one climate: Zone 8 is the most common zone, but the state runs 7b to 9a. That's why the planner works from your ZIP code's frost dates, not your zone — mountain and coastal gardens in the same state can be three weeks apart.